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A028351 Dimension of invariant subspace of Lie polynomials of degree 2n under action of SL_2(C) on free Lie algebra of rank 2. 0
1, 0, 1, 1, 5, 9, 33, 85, 276, 827, 2693, 8626, 28639, 95393, 323367, 1104525, 3813797, 13266366, 46509357, 164098390 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
REFERENCES
M. Bremner, Lie invariants of degree ten, Int. J. Math. Game Theory Algebra, 8 (1998), no. 2-3, 115-122.
LINKS
FORMULA
Formula in C. Reutenauer, Free Lie Algebras, pages 206-208.
CROSSREFS
Sequence in context: A270454 A323150 A116390 * A211952 A098640 A239546
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)